The utility model provides an electronic type instrument transformer device. The electronic type instrument transformer device comprises a low-power iron core coil, a primary converter, a capacitive voltage divider, an insulated optical interface module, an optical cable, a driving module and output equipment; the low-power iron core coil passes through the primary converter, the capacitive voltage divider, the insulated optical interface module, the optical cable, the driving module and the output equipment sequentially and is connected to secondary equipment of a substation; the low-power iron core coil is arranged at a high-voltage end of the electronic type instrument transformer device; and the output equipment includes a line protection output port, a bus protection output port, a transformer protection output port, a wave recording output port, a measurement and control output port and a metering output port which are respectively connected with the secondary equipment. The electronic type instrument transformer device of the utility model has the advantages of being simple and reliable, small size, light weight, large dynamic response range, no magnetic saturation and inexistence of resonance phenomenon of a PT. The precision of the electronic type instrument transformer device is unrelated to a load.